MJ

Marvin E. Whiteman, Jr.

PD Performance Design: 7 patents #5 of 12Top 45%
Overall (All Time): #175,703 of 4,157,543Top 5%
24
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7036416 Hole punch quick-change die assembly with pin strap and positioning system Wayne Malmstrom 2006-05-02
6789453 Fine-tunable paper stop for paper punching machine 2004-09-14
6748839 Hole punch quick-change die assembly with positioning system Wayne Malmstrom 2004-06-15
6651540 Hole punch quick-change die assembly with pin strap and positioning system Wayne Malmstrom 2003-11-25
6536321 Hole punch quick-change die assembly with clamp system Wayne Malmstrom 2003-03-25
6363826 Hole punch quick-change die assembly with pin strap and positioning system Wayne Malmstrom 2002-04-02
6047623 Hole punch quick-change die assembly with pin strap and positioning system Wayne Malmstrom 2000-04-11
5550333 Reduced noise trailerable engine 1996-08-27
5489150 Mortar mixer frame having integral hydraulic fluid reservoir with means for cooling the hydraulic fluid 1996-02-06
5454679 Wire element bindery press 1995-10-03
5452980 Electric loop wire bindery press 1995-09-26
RE34505 Motar mixing drum 1994-01-11
5118198 Cement mixing apparatus with cradle support assembly 1992-06-02
5061077 Knock out paddle shaft for mixing machines 1991-10-29
4943264 Centrifugal clutch with belt tightening spacer assembly 1990-07-24
4895277 Foot operated mortar drum latch assembly 1990-01-23
4878779 Riding power trowel 1989-11-07
4877327 Mortar mixing drum 1989-10-31
4850723 Bearing and seal assembly for motor mixer 1989-07-25
4811617 Unidirectional to bidirectional angular displacement conversion apparatus 1989-03-14
4743221 Centrifugal clutch belt tightening assembly 1988-05-10
4673311 Concrete finishing machine having counterbalanced blade pitch adjustment apparatus 1987-06-16
4527959 Drilling fluid pump providing a uniform, controlled pressure and flow rate 1985-07-09
4312603 Twin trowel cement finishing machine 1982-01-26