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USPTO Patent Rankings Data through Dec 31, 2025
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Ronald J. Tabar — 14 Patents

3M: 10 patents #1,596 of 11,543Top 15%
Ford: 4 patents #4,046 of 17,473Top 25%
Amherst, MA: #32 of 424 inventorsTop 8%
Massachusetts: #8,931 of 88,656 inventorsTop 15%
Overall (All Time): #332,869 of 4,157,543Top 9%
14 Patents All Time
Ronald J. Tabar has been granted 14 US patents while listed as an inventor at 3M. The first was granted in 1981 and the most recent in August 2005. Ronald J. Tabar ranks #332,869 of 4,157,543 US inventors in our database (top 8.0%). Patent records list Ronald J. Tabar in Amherst, MA, US.

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6934082 Optical devices using reflecting polarizing materials Richard C. Allen, Sanford Cobb, Jr., Elisa M. Cross, Susan L. Kent, Timothy J. Nevitt +2 more 2005-08-23 $24,292,000
6829071 Optical devices using reflecting polarizing materials Richard C. Allen, Elisa M. Cross 2004-12-07 $39,744,000
6673275 Method for making optical devices from homopolymers Richard C. Allen, Susan L. Kent, Elisa M. Cross, William W. Merrill, Stephen A. Johnson +3 more 2004-01-06 $26,856,000
6654170 Optical device having continuous and disperse phases William W. Merrill, Susan L. Kent, Richard C. Allen, Elisa M. Cross, Stephen A. Johnson +3 more 2003-11-25 $26,853,000
6627300 Optical device containing polymeric material domains having different degrees of randomness Susan L. Kent, Richard C. Allen, Elisa M. Cross, William W. Merrill, Stephen A. Johnson +3 more 2003-09-30 $18,319,000
6329046 Optical film and process for manufacture thereof William W. Merrill, Richard C. Allen, Peter D. Condo, Timothy J. Nevitt 2001-12-11 $68,165,000
6274221 Angular brightness microprismatic retroreflective film or sheeting incorporating a syndiotactic vinyl aromatic polymer Kenneth L. Smith, Jaime R. Ojeda 2001-08-14 $43,650,000
6179948 Optical film and process for manufacture thereof William W. Merrill, Richard C. Allen, Peter D. Condo, Timothy J. Nevitt 2001-01-30 $44,750,000
5591530 Flexible optically uniform sign face substrate Robert W. Warner, Robert C. Fitzer, David B. Redmond 1997-01-07 $26,272,000
5422189 Flexible optically uniform sign face substrate Robert W. Warner, Robert C. Fitzer 1995-06-06 $8,661,000
4419480 Soft, fatigue resistant elastomer articles Paul C. Killgoar, Jr. 1983-12-06 $11,676,000
4362840 Soft, heat and fatigue resistant elastomeric articles Paul C. Killgoar, Jr., Marvin A. Lemieux 1982-12-07 $9,839,000
4269746 Compounding polychloroprene rubber Paul C. Killgoar, Jr. 1981-05-26 $4,521,000
4267086 Sacraficial binders for molding particulate solids Robert A. Pett, S. Burhan A. Qaderi 1981-05-12 $3,733,000