MH

Marvin R. Havens

WC W.R. Grace & Co.-Conn.: 19 patents #15 of 1,045Top 2%
CR Cryovac: 17 patents #12 of 481Top 3%
W& W. R. Grace &: 2 patents #100 of 433Top 25%
WD W. R. Grace & Co., Cryovac Div.: 2 patents #11 of 83Top 15%
UC Union Carbide: 1 patents #697 of 1,402Top 50%
📍 Greer, SC: #17 of 717 inventorsTop 3%
🗺 South Carolina: #158 of 15,501 inventorsTop 2%
Overall (All Time): #76,756 of 4,157,543Top 2%
41
Patents All Time

Issued Patents All Time

Showing 26–41 of 41 patents

Patent #TitleCo-InventorsDate
5110530 Striped film method 1992-05-05
5096761 Antistatically conductive masking film for electrostatic spray painting William P. Roberts, Charles R. Morgan 1992-03-17
5064699 Semi-rigid heat-sealable laminates with permanent antistatic characteristics Stephen L. Fowler, William P. Roberts, Cynthia L. Ebner 1991-11-12
5033253 Process for skin packaging electostatically sensitive items Stephen L. Fowler, George J. McCrary, Jr., Alfred P. Engelmann 1991-07-23
5025922 Agent for imparting antistatic characteristics to a thermoplastic polymer and a thermoplastic polymer composition containing the agent Joseph R. Lovin 1991-06-25
5024792 Antistatic thermoplastic/polyamide-polyether compositions and antistatic polymeric films made therefrom 1991-06-18
5001015 Antistatic polyolefin compositions and antistatic polyolefin films made therefrom, including oriented films 1991-03-19
4999252 Permanent antistatic acid copolymer/quaternary amine mixtures films William P. Roberts 1991-03-12
4899521 Antistatic thermoplastic/polyamide-polyether compositions and antistatic polymeric films made therefrom 1990-02-13
4898771 Agent for imparting antistatic characteristics to a thermoplastic polymer and a thermoplastic polymer composition containing the agent 1990-02-06
4882894 Agent for imparting antistatic characteristics to a thermoplastic polymer and a thermoplastic polymer composition containing the agent Joseph R. Lovin 1989-11-28
4848566 Antistatic/conductive container Robert R. Wilkie 1989-07-18
4800115 Agent for imparting antistatic characteristics to a thermoplastic polymer and a thermoplastic polymer composition containing the agent 1989-01-24
4698111 Vinylidene chloride composition and film made therefrom 1987-10-06
4686148 Vinylidene chloride composition and film made therefrom 1987-08-11
4256317 High-temperature, high-pressure valve packing system Donald R. Fields, Jr., Douglas J. Miller 1981-03-17