James L. Dilworth

Follow

Person

Petoskey, MI, US

People

Patents Grantslast 30 patents

Information Patent Grant
Lift mounted snowmaker
- Patent number 4,823,518
- Issue date Apr 25, 1989
- Nubs Nob, Inc.
- James L. Dilworth
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Method and apparatus for making artificial snow
- Patent number 4,573,636
- Issue date Mar 4, 1986
- Nubs Nob, Inc.
- James L. Dilworth
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Method and apparatus for making artificial snow
- Patent number 4,493,457
- Issue date Jan 15, 1985
- Nubs Nob, Inc.
- James L. Dilworth
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Method and machine for making artificial snow
- Patent number 4,222,519
- Issue date Sep 16, 1980
- Boyne Mountain Lodge, Inc.
- Everett F. Kircher
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Snow making system
- Patent number 4,202,496
- Issue date May 13, 1980
- Snow Machines, Inc.
- James B. VanderKelen
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Method of making artificial snow
- Patent number 4,105,161
- Issue date Aug 8, 1978
- Boyne Mountain Lodge, Inc.
- Everett F. Kircher
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...