Ronald J. LaSpisa

Follow

Person

Bartlesville, OK, US

People

Patents Grantslast 30 patents

Information Patent Grant
Control of pipe tension between extruder die and take-up coiler
- Patent number 4,250,130
- Issue date Feb 10, 1981
- Phillips Petroleum Company
- Ronald J. LaSpisa
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Automatic control of extrusion rate
- Patent number 4,237,082
- Issue date Dec 2, 1980
- Phillips Petroleum Company
- Ronald J. LaSpisa
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Control of pipe tension between extruder die and take-up coiler
- Patent number 4,124,340
- Issue date Nov 7, 1978
- Phillips Petroleum Company
- Ronald J. LaSpisa
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Automatic control of extrusion rate
- Patent number 4,120,630
- Issue date Oct 17, 1978
- Phillips Petroleum Company
- Ronald J. LaSpisa
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Extrusion control
- Patent number 4,107,246
- Issue date Aug 15, 1978
- Phillips Petroleum Company
- Ronald J. LaSpisa
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL