RC

Robert M. Callahan

IBM: 4 patents #21,733 of 70,183Top 35%
US US Dept of Health & Human Services: 3 patents #364 of 3,044Top 15%
📍 Cave Spring, VA: #1 of 18 inventorsTop 6%
🗺 Virginia: #1,168 of 34,511 inventorsTop 4%
Overall (All Time): #206,883 of 4,157,543Top 5%
21
Patents All Time

Issued Patents All Time

Showing 1–21 of 21 patents

Patent #TitleCo-InventorsDate
11473299 Systems, devices, and/or methods for building construction Shawn A. Callahan 2022-10-18
10519657 Systems, devices, and/or methods for managing joists Shawn A. Callahan 2019-12-31
10060118 Systems, devices, and/or methods for managing deck installation Shawn A. Callahan 2018-08-28
7347031 Joist reinforcing bracket 2008-03-25
7067635 Nucleotide and deduced amino acid sequences of tumor gene Int6 Antonio Marchetti, Fiamma Buttitta, Gilbert H. Smith 2006-06-27
6737251 Nucleotide and deduced amino acid sequences of tumor gene Int6 Antonio Marchetti, Fiamma Buttitta, Gilbert H. Smith 2004-05-18
D477210 Joist reinforcing bracket Ronald B. Shiflett 2003-07-15
D472793 Joist reinforcing bracket Ronald B. Shiflett 2003-04-08
D472792 Joist reinforcing bracket Ronald B. Shiflett 2003-04-08
D472791 Joist reinforcing bracket Ronald B. Shiflett 2003-04-08
6342392 Nucleotide and deduced amino acid sequences of tumor gene Int6 Antonio Marchetti, Fiamma Buttitta, Gilbert H. Smith 2002-01-29
6255105 Nucleotide and deduced amino acid sequences of tumor gene Int6 Antonio Marchetti, Fiamma Buttitta, Gilbert H. Smith 2001-07-03
5921053 Internally reinforced girder with pierceable nonmetal components Ronald B. Shiflett 1999-07-13
5832691 Composite beam Ronald B. Shiflett 1998-11-10
5770131 Method and apparatus for applying an oscillating force on a molten material Alexander Bubel, Akihisa Kikuchi 1998-06-23
5625997 Composite beam Ronald B. Shiflett 1997-05-06
5519977 Joist reinforcing bracket Ronald B. Shiflett 1996-05-28
5027291 Application exit for potentially pickable primitives in a graphics system Bruce C. Hempel 1991-06-25
5012433 Multistage clipping method Bruce C. Hempel, Bob C. Liang 1991-04-30
4982345 Interactive computer graphics display system processing method for identifying an operator selected displayed object Bob C. Liang 1991-01-01
4847605 Picking in a graphics system Anthony Fiore, IV, Edward C. Flickinger, Bruce C. Hempel, Bruce E. Whistance 1989-07-11